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英語基礎(chǔ)語法——定語從句
作者:nmet168  文章來源:本站原創(chuàng)  點擊數(shù)  更新時間:2008-09-22  文章錄入:admin  責(zé)任編輯:admin



英語基礎(chǔ)語法——定語從句

 

有關(guān)定語從句的概念

(1)定語從句:就是在復(fù)合句里充當(dāng)定語的從句,它通常緊靠在所修飾的名詞或代詞后面。

(2)先行詞:就是被定語從句修飾的名詞或代詞。

(3)關(guān)系詞:引導(dǎo)定語從句的詞叫關(guān)系詞。關(guān)系詞有關(guān)系代詞who, whom, whose, whichthat等;關(guān)系副詞有when, where, why等。關(guān)系詞不僅起連接作用,而且還代表先行詞并在定語從句中擔(dān)任某一句子成分,關(guān)系代詞作主語、賓語、定語、表語等,關(guān)系副詞作狀語。如:

This is the book that my father bought me yesterday. 這就是我父親昨天幫我買的那本書。

說明:句中修飾the bookthat my father bought me yesterday就是定語從句;被定語從句所修飾的the book這是先行詞;代表the book的關(guān)系代詞that在定語從句中作bought的直接賓語。

The time when he arrives is not known. 他到達的時間還不知道。

說明:句中when he arrives是定語從句,被定語從句修飾的the time是先行詞,關(guān)系副詞when作時間狀語。

關(guān)系代詞的一般用法

先行詞是人,在從句中作主語用who,作賓語用whomwho,作定語用whose;先行詞是物,在定語從句中作主語或賓語都用which,作定語用of whichwhose均可。在限制性定語從句中which, who, whom都可用that代替。關(guān)系代詞作賓語時常被省略。

This is the man who helped me yesterday. 這就是昨天幫助我的那個人。(作主語)

The teacher (who/whom/that) you want to see is coming. 你要見的老師來了。(see的賓語,可以省略)

I met a boy whose father was a astronaut. 我認識一位男孩,他的父親是宇航員。(作定語)

Here is the coat which/that will be made to you. 這是一件做給你的衣服。(作主語)

This is the factory (which/that) we visited last year.這就是我們?nèi)ツ陞⒂^的那家工廠。(visited的賓語,可以省略)

He has a book whose cover (=the cover of which) is very beautiful. 他有一本封面非常漂亮的書。

關(guān)系副詞的一般用法

關(guān)系副詞有when, where, why,在定語從句中作狀語,分別表示時間、地點和原因。when的先行詞通常是time, day, season, age, occasion等時間名詞;where的先行詞通常是place, city, town, village, house, case, situation, scenes等地點或情形名詞;why的先行詞只能是reason。關(guān)系副詞whenwhere有時可用“介詞+which”代替,why可用for which代替。如:

There are occasions when (=on which) one must yield. 任何人都有不得不屈服的時候。

Beijing is the place where (=in which) I was born. 北京是我的出生地。

Is this the reason why (=for which) he refused our offer? 這就是他拒絕我們幫助他的理由嗎?

注意:先行詞雖然是時間或地點,但若在定語從句中作主語或賓語時,要用關(guān)系代詞。

(1)The factory where his father worked has closed. 他父親曾工作的那家工廠關(guān)閉了。(作狀語)

比較:The factory which/that was built in 1978 has closed. 1978年建的那家工廠關(guān)閉了。(作主語)

(2) I’ll never forget the days when we lived together. 我永遠也忘不了我們一起生活的那些日子。(作狀語)

比較:I’ll never forget the days (that) we spent in Australia. 我永遠也忘不了我們在澳大利亞度過的那些日子。(作及物動詞spent的賓語)

(3) The reason (why) she was ill was that she had eaten bad meat. 她生病的原因是她吃了變質(zhì)的肉。(作狀語,用關(guān)系副詞)

比較:The reason (that) he gave for his absence was obviously fabricated.他所說的缺席理由顯然是編造的。(gave的賓語,用關(guān)系代詞)

 

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